Heat-insulated milk-can.



L. R. STEEL. HEAT INSULATED MILK CAN. APPLICATION FILED NOV 11, 1910. RENEWED FEB. 8, 1913.

1,059,230 Patented Apr. 15, 1913.

awe/M30 wi/ mmow [UNITE sra'rns PATENT OFFICE.

LEONARD It. STEEL,- oFcLEvELANn, oHIo.

HEAT-INSULATED MILK-CAN.

pecification of Letters Patent.

To a?! -w/wm-- it may concern:

Be it known that I, LEONARD R. STEEL, a citizen of the United States, residing. at Cleveland, in the county of Guyahoga and State of Ohio, have invented new and useful Improvements in Heat-Insulated Milk- Cans, of which the following is a specification.

This invention relates to improvements inrecep'tacles for holding liquids and more particularly tothe type wherein the liquid holding'receptacle is placed'within aninsu- .lated jacket serving to protect the content:

of the receptacle from the temperature 0: the atmosphere outside the jacket, whereby the contents of the receptacle may be mainparatively long time.

The object of the-invention is the prqvi-' sionof ameans for detachably securing the receptacle within the jacket. j

W'ith -these and other objects in view,

tained at a required temperature for a comwhich will more fully hereinafter appear,

the present invention consists in certain novel details of construction'and arrangement of parts, hereinafter fully described,

I illustrated in the accompanying drawings,

" and more particularly pointed out in the appended cla'im; it beingunderstood that various changesin the form, proportion, size, and minor details of the device may be made, within the scope of the appended claim, without departin from the spirit or sacrificing'a-ny of the a vantages of the invention.

In the accompanying drawings, forming part of the speeificatiom-Figure I is a side elevation of the device with the lower end portion broken away. Fig. 2 is a similar view with the upper end portion broken away.

Similar numerals of reference are employed to designate corresponding parts throughout.

The device is inclosed with n a crate or carrier comprising an upperba-nd 5 and a lower band 6, the said bands. being connected by a plurality of spaced slats 7. The up- .per band 5 isprovided at diametrically oppositepoints with pivoted'handles, one of which is shown and designated by the numeral 8. k

The jacket includes an outer cylindrical casing the body portionof which-1sdesignated by the numeral 9 and' at its-lower endis provided with a bottom, the flat-body portion of which is designated by the numeral- Patented Apr. 15,1913. 'Appl'ication filed November 11, 1910, Serial No. 591,802. Renewed February 8, 1913 Serial No. 747,162.

12 and 13. The band 12 is arranged on the inner face of the flange 11, while the band 13 encircles the lower end portion of the outer casing 9. The bands 12 and 13 and likewlse the flange l1 and casing'are pro.- yided with alining openings forthe-rcce tion of rivets 14, which pass through t c said bands and-flange l1, afterwhich the parts are soldered in order to insure an airtight joint. The body portion 10 oft'he bottomis provided with a' nipple 15, the said nipple being interiorly screw-threaded to receive a plug 16. When the inner casing, about to be describedis placed within the outer casing and its upper end suitably secured to the latter ano its bottom slightly spaced from the body portion 10 of the bottom of the outer casing, by the provision of the nipple 15 the'air may be exhausted trom the space between the outer and inner casingsand the nipple sealed by means of the p g- The lower end of the inner casing extends to a point adjacent to the bottom 10 of the outer casing, and arranged within the said inner casing is a bottom. The bottom of the inner casing comprises a circular body porti0n'20; Depending from the periphery of the body portion 20 is a flange 22, the said flange 22 hearing on the inner surface of the inner casing. The bottom is secured to the inner casing by means of bands 23 and 24, the said band 23 bearing on the inner face of the flange 22, while the band 24 embraces thelower end portion of'the inner casing. The bands 23' and 24 and likewise the flange 22 are provided with alining openings for the reception of rivets 26. Arranged in the space between the body portions of the outer and inner casings is a hollow cylindrical body 27 of cork, asbestos, or other suitable insulating'.material and provided w th a plurality of ,pprforations as shown at 28. ed in ofjthe outer-and mner casings 1s a perfo ratedg disk of cork, asbestos or other suitable insulating material. By the provisionpf the perforations in the insulating material, it will be manifest that the air may be more e space between the bottoms of openings which aline with openings in the effectively exhausted from the space between the outerand innercasings. The upper endportion of the inner casing terminates in alateral shoulder 29 corresponding in width to the width of the space between saidcasings said shoulder ending in a vertical portion a part of which bears on the inner I .face of the outer casing and the upper porportion 30 and'uppe'r end portion of the outer casing, these openings receiving rivets a ring 29'. V

minates in a lateralfiange' 31-, to bear on the scribed. a

'body' portion 31, havin 30. Theinner surface of the ring is screwthreaded, for a purposeto be presently de- What-will' subsequently be termed a retaining ring is shown to include a circular threads to engage with t e threads of the Thegipper end of the ring 31 terupper edge of the ring 29. The lower end i portion of the ring 31 is provided with aninwardly extending flange 32 which extends inwardly and beyond the inner face of the inner casing. The inner receptacle is preferably of glass or analogous material and is shown to include a cylindrical bod gportion designated 'IIlgS, the inner casing havm by thenumeral 32. T e lower end portion ofthe receptacle is provided with a bottom 33, the lower surface of which bears on the bottomof the inner casing. The upper end portion of the inner receptacle 32 is con-- tracted to provide'a neck 36 and a shoulder I t 35. By the provision of the shoulder 35 the rece'ptacle may be locked within the inner casing by means of the retaining ring. Since .ltWlll. be seen by inspection of Fig. 2 that r I when the ,retaining rin is screwed into the ring 29' the flange 32 will bear on the 'shoulder 35, thus reventing outward or endwise moveme nt ,o the receptacle. shown in Fig. 2 a gasket 36' is interposed between v the bearing surfaces of'the flange 32 of the retainingring and the shoulder 35 on the inner. receptacle in order to prevent the receptacle' from 'bearin directly on the retaining thread exteriorly screwand 18 prov ded qvvith a screwthreaded cover. 38. a By the provision of the i "contracted neck 36 it will be manifest that a :pace .will.-exist between the so said neck and e innensurface 0f; the body of the retain ring; this space receiving) the depending.

pie o the cover about to e described. e eover comprises a circular: body porspaced, the space therebetween bein exterior screw terial located in' the space defined by tion made up of outer and inner top members designated respectively by the numerals 39 and 40. The portions 39 and '40-'ar p rt filled with asbestos or other suitab e insulating material as shown at 41. Extending downwardly and outwardly -from 'the peripheries of the sections 39 wand 40- are flanges 42 and 43, the said flanges 42 and 43 being arranged in spaced relatlon, the space therebetween being partly filled with asbestos or other suitable insulating material. The flange 43 terminates ina shoulder which is adapted to bear on the upper surface of the lateral extension 31' of the retaining ring. The flange 42 is provided with a depending flange 44 which is insertible into the space betweenthe upper end portion of the neck 36 and the inner surface of the retaining ring. I The lower edges of the flanges 43 and 44 are connected together by a channeled ring 45'.

. Theinsulating material between the inner and outer casings of the structure maybe cemented if desired "to the shoulder 29. In

addition to cementing the insulating material as just described, the material'may be spaced from the walls of the casing in; any obvious manner such as by smallcork insulating blocks or the-like. -'l'he insulating material of the closure of the vessel maybe secured between the walls of the closure in a manner similar to that above described.

I claim-:

A vessel comprising inner and outer caS- set at its upper end to rovi e a horizontal shoulder, e said she der being provid with a vertical portion which is secured to the wall of the outer casing, insulatin niae mner and outer casings and having-a portion contacting with the said horizontalshoulder of the inner casing, a vessel removably mounted in the inner casing and provided its wall ofii v with a shoulder which is located sli htly' be-' I 7 low the plane of the-shoulder of t e inner casin a gasket embracing the said second plane with the first vessel detachably connecting the said first vessel with the second ve el and havingv a portion bearing against the gasket and a' fv'esse and bearing against the shoulderthereof and dis osed- 1n the same general rst shoulder, meanson the 

